From a46ca9d0ab521fa842f5d5e4dd3a783bba8b2ce1 Mon Sep 17 00:00:00 2001
From: Finley Ghosh <finley@springup.software>
Date: Sun, 10 Aug 2025 11:47:35 +1000
Subject: [PATCH] Changing apt sources for EOL ubuntu

---
 Dockerfile_stg | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Dockerfile_stg b/Dockerfile_stg
index 7a2d0a9e..b2c40c5f 100644
--- a/Dockerfile_stg
+++ b/Dockerfile_stg
@@ -8,9 +8,9 @@ ENV HOME /root
 # Define working directory.
 WORKDIR /root
 
-RUN sed -i 's/archive/old-releases/' /etc/apt/sources.list
-
-
+# Update apt sources to use old-releases.ubuntu.com for EOL Ubuntu 16.04
+RUN sed -i 's|http://archive.ubuntu.com/ubuntu/|http://old-releases.ubuntu.com/ubuntu/|g' /etc/apt/sources.list && \
+    sed -i 's|http://security.ubuntu.com/ubuntu|http://old-releases.ubuntu.com/ubuntu|g' /etc/apt/sources.list
 RUN apt-get update
 RUN apt-get -y upgrade